Suppose you had a random sample of 50 observations with a sample mean of 10 and sample standard deviation of 5. Suppose another observation is observed that has a value of 10. How will the sample mean change from the original sample?
A. It will increase.
B. It will decrease.
C. It will not change.
D. Cannot be determined by the information given.
Answer: C
You might also like to view...
The activity of MinC and MinD direct whether a bacterial cell will be coccoid or bacillus shaped
Indicate whether the statement is true or false.
A researcher is purifying monomeric immunoglobulins from patients' blood samples. Which immunoglobulin class would you expect to find the most of in these samples? Select all correct choices
A. IgE B. IgM C. IgG D. IgD E. IgA
Imagine you conduct a parabiosis experiment with two strains of mice, one of which lacks a functional leptin gene (ob strain) while the other lacks a functional receptor for this hormone (db strain). Which of the following outcomes would you observe?
A. no weight change in the db mouse B. decreased body weight in the db mouse C. decreased body weight in the ob mouse D. no weight change in the ob mouse E. increased body weight in the ob mouse
DNA fragments can be separated by size on a gel, but then must be transferred to filters for probing
and further analysis. The technique used to transfer DNA to the filters is called ____________________. Fill in the blank(s) with the appropriate word(s).